keep doing it, you will get cancer

来源: foodconsumer 于 2009-04-06 15:38:32 [] [博客] [旧帖] [给我悄悄话] 本文已被阅读： 次 (173 bytes)
x-ray is carcinigenic, there is no doubt about it. No matter which doctor says what period.
x-ray is most extensively studied carcinogen. There is no safe threshold.
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